Process for the preparation of polyethylene polyamines

Details Process for the preparation of polyethylene polyamines Process for the preparation of polyethylene polyamines

1981-09-30

1983-09-13

Doll, John

Organic compounds -- part of the class 532-570 series

Organic compounds

Amino nitrogen containing

564475, 564477, 564479, 564480, 564511, 564512, C07C 8504, C07C 8506, C07C 8902

Patent

active

044044054

ABSTRACT:
There is disclosed a continuous process for making polyethylene polyamines such as diethylenetriamine, triethylenetetramine, etc. comprising the reaction of ethylene oxide with ammonia to produce a mixture of alkanolamines, the amination of the alkanolamines to ethyleneamines, and the reaction of at least a portion of the ethyleneamines thus produced with ethylene dichloride optionally in the presence of ammonia and/or water.

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Shuichi Yamashita, Ethylene Amines-Their Properties, Uses and Manufacturing Processes, Chemical Economy & Engineering Review, vol. 3, No. 9, pp. 39-43 (1971).
Michael Arne, Process Economics Program, "Alkyl Amines", Private Report, No. 138, Stamford Research Institute, Mar. 81.

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